CN113803430A - Motor driving structure and motor driving device - Google Patents
Motor driving structure and motor driving device Download PDFInfo
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- CN113803430A CN113803430A CN202110915590.0A CN202110915590A CN113803430A CN 113803430 A CN113803430 A CN 113803430A CN 202110915590 A CN202110915590 A CN 202110915590A CN 113803430 A CN113803430 A CN 113803430A
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- motor
- push rod
- driving mechanism
- driving
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- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 230000001681 protective effect Effects 0.000 claims abstract description 43
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- 238000000576 coating method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002633 protecting effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 2
- 238000005728 strengthening Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 230000002349 favourable effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
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- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2031—Actuator casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2037—Actuator supports or means for fixing piston end, e.g. flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2046—Screw mechanisms with gears arranged perpendicular to screw shaft axis, e.g. helical gears engaging tangentially the screw shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2084—Perpendicular arrangement of drive motor to screw axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/209—Arrangements for driving the actuator using worm gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H2025/2436—Intermediate screw supports for reducing unsupported length of screw shaft
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a motor driving structure and a motor driving device, which comprise a driving mechanism and a reinforced protection assembly, wherein the reinforced protection assembly is internally provided with an accommodating cavity; the driving mechanism comprises a screw rod and a push rod, the screw rod is used for being in driving connection with the output end of the motor, and the push rod is connected with the screw rod through internal and external threads; the end, far away from the motor, of the reinforced protection assembly further comprises a supporting portion, the supporting portion is located on the inner periphery of the reinforced protection assembly and is supported outside the push rod. The invention removes the original protective sleeve outside the push rod, adopts the lengthened reinforced protective assembly to directly protect the driving mechanism, reduces the number of parts, simplifies the structure, ensures enough structural strength and is beneficial to improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of furniture driving, in particular to a motor driving structure and a motor driving device.
Background
With the continuous updating and development of intelligent home furnishing, the requirements of people on furniture are higher and higher, and the motor driving device adopted on the furniture has increasingly simplified requirements in consideration of the occupied space of the furniture. In order to reduce the occupied space, the existing motor driving device has very fine part size, thus increasing the difficulty of part processing to a certain extent, having higher requirement on matching degree during assembly and being not beneficial to quick assembly; meanwhile, the size of the part is reduced, the structural strength is sacrificed to a certain extent, and more parts are required to be added to ensure that the structural strength is sufficient.
For example, in the motor driving device in the prior art, the screw rod in the driving mechanism is connected with the push rod through the screw thread, so that the length of the whole driving mechanism is longer, the protection component outside the driving mechanism is generally a short structure and can only cover a small part of the screw rod, a layer of tubular protective sleeve is additionally arranged between the protective component and the driving mechanism to protect the screw rod and the push rod, in order to fix the protective sleeve, a fixing buckle is required to be arranged to be connected with an external protective component, the number of parts is large, the structure is complex, the production process of the protective sleeve is required to be increased, the assembly process of the protective sleeve is required to be increased, and the protective sleeve is arranged between the driving mechanism and the protective component, during assembly, the protection assembly can be assembled outside the protection sleeve only after the protection sleeve and the driving mechanism are assembled, so that the steps are complicated, and the production speed is slowed; in addition, the existing protective sleeve is often made of an aluminum pipe, the processing technology requirement is high, and the production cost of the motor driving device is high.
Therefore, a motor driving structure and a motor driving device are needed, which can ensure the structural strength, further simplify the structure, improve the structural compactness, reduce the structural complexity, reduce the production difficulty and improve the production efficiency.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a motor driving structure and a motor driving device, which can further reduce the structural complexity, reduce the number of parts and the production difficulty and improve the production efficiency while ensuring the structural strength.
The invention provides a motor driving structure, which comprises a driving mechanism and a reinforcing protection assembly, wherein an accommodating cavity is formed in the reinforcing protection assembly, the driving mechanism is arranged in the accommodating cavity, and the peripheral outline of the driving mechanism is matched with the inner outline of the accommodating cavity;
the driving mechanism comprises a screw rod and a push rod, the screw rod is used for being in driving connection with the output end of the motor, and the push rod is connected with the screw rod through internal and external threads;
the one end of keeping away from on the enhancement protection component the motor still includes the supporting part, the supporting part still is located strengthen the protection component inner wall, the supporting part support in the push rod outside.
Further, the supporting part is a first supporting ring, and the first supporting ring is arranged between the push rod and the reinforcing protection component.
Furthermore, one end, far away from the motor, of the reinforcing protection assembly protrudes out of one end, far away from the motor, of the screw rod.
Further, actuating mechanism still includes drive gear and screw, drive gear be used for with the motor meshing, drive gear still with lead screw coaxial coupling, the screw is used for connecting the lead screw with the push rod.
Further, the driving mechanism further comprises a second support ring arranged on the screw rod, and the second support ring is located between the driving gear and the screw nut.
Further, the driving mechanism further comprises a bearing, the bearing is arranged at one end of the driving mechanism, and the bearing is located on one side, away from the push rod, of the driving gear.
Further, the length of the accommodating cavity is not less than the distance from the supporting part to the bearing.
Preferably, the nut and the push rod are of an integral structure.
Furthermore, the driving mechanism further comprises a capping head, and the capping head is positioned at one end, far away from the motor, of the push rod.
Preferably, the capping head and the push rod are of an integral structure.
Further, strengthen the protection subassembly and include first protective housing, second protective housing, first protective housing with second protective housing fixed connection, the holding chamber by first protective housing internal surface with the cladding of second protective housing internal surface forms.
Further, the motor driving structure further comprises a switch assembly, the switch assembly is provided with a fixing plate and at least one control switch, the fixing plate is fixedly connected with the reinforcing protection assembly, and the control switch is used for controlling the operation of the driving mechanism.
The invention also provides a motor driving device, which comprises a motor and the motor driving structure, wherein the motor is used for providing power for the driving mechanism; the output end of the motor is provided with an output shaft, the reinforcing protection assembly is provided with a through hole, and the output shaft penetrates through the through hole to be in driving connection with the screw rod.
Further, the motor is arranged perpendicular to the driving mechanism.
Furthermore, a protective cover shell is arranged at one end of the motor, and the protective cover shell is sleeved at one end, far away from the driving mechanism, of the motor.
The implementation of the invention has the following beneficial effects:
1. the original protective sleeve and the fixing buckle sleeved outside the push rod are removed, the lengthened reinforced protective assembly is adopted to replace a plurality of parts such as the original protective sleeve and the original fixing buckle, the lengthened reinforced protective assembly is directly utilized to integrally cover the driving mechanism so as to protect the driving mechanism, the number of parts is reduced, the complexity of the part structure is also reduced, the production process of producing the protective sleeve and the assembly process of assembling the protective sleeve are also reduced, and the production efficiency is greatly improved; and strengthen the protection subassembly and cooperate with first support ring, when playing the support guard action, can also effectively inject the axiality of each part among the actuating mechanism.
2. The reinforcing protection component with the accommodating cavity is of a lengthened structure, so that the coating driving mechanism is more favorably coated, and the strength of the whole motor driving structure is improved.
3. First support ring and second support ring can effectively play the guide effect, inject the push rod and strengthen the relative position between the protection subassembly, quick location when being favorable to the installation.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described, wherein like parts are designated by like reference numerals. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a cross-sectional view of a motor driving structure in one possible embodiment of the present invention;
FIG. 2 is an exploded view of the motor drive configuration of FIG. 1;
FIG. 3 is a structural cross-sectional view of a motor driving structure in another possible embodiment of the present invention;
fig. 4 is an exploded view of the motor driving structure of fig. 3.
Wherein the reference numerals in the figures correspond to: 1-driving mechanism, 11-bearing, 12-driving gear, 13-screw rod, 14-second supporting ring, 15-screw nut, 16-push rod, 17-capping head, 2-reinforcing protection component, 21-first protection shell, 22-second protection shell, 23-containing cavity, 24-supporting part, 3-switch component, 31-fixing plate, 32-control switch, 4-motor, 41-output shaft, 42-protection shell and 5-first supporting ring.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back", "two ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred device or structure must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; also, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Examples
Considering the situation that the existing motor driving device has a complex structure, a large number of parts and inconvenient assembly, this embodiment provides a motor driving structure, as shown in fig. 1-2 of the specification, the motor driving structure includes a driving mechanism 1 and a reinforced protection component 2, wherein the driving mechanism 1 is used for being in driving connection with one end of a motor 4 and is arranged in the reinforced protection component 2, and an accommodating cavity 23 is arranged inside the reinforced protection component 2 and is used for accommodating the driving mechanism 1, and an outer peripheral profile of the driving mechanism 1 is matched with an inner profile of the accommodating cavity 23, so as to better play a guiding role during assembly, faster positioning and improve assembly efficiency.
Specifically, as shown in fig. 1 of the specification, the sectional view of the motor driving structure of the present embodiment is shown, wherein the driving mechanism 1 includes a screw 13 and a push rod 16, one end of the screw 13 is used for being drivingly connected to an output end of the motor 4, so that the screw 13 can be driven to rotate when the motor 4 is started; at the other end of the screw rod 13, the push rod 16 is connected with the screw rod 13 through internal and external threads, the push rod 16 is driven to move when the screw rod 13 rotates, and one end of the push rod 16 protrudes out of one end of the reinforcing protection component 2, so that the push rod 16 can output power conveniently.
In the present embodiment, the driving mechanism 1 further includes a driving gear 12 for engaging with the output end of the motor 4 to transmit the power of the motor 4; however, in the existing driving mechanism 1, fixing structures such as fixing buckles are often arranged between the driving gear 12 and the screw rod 13 to play a role in connection and fixation, such a connection mode increases the number of parts of the whole driving mechanism 1, increases assembly steps, reduces assembly efficiency, and the connection mode of the fixing buckles is easy to loosen in the rotation process of the driving mechanism 1, which is not beneficial to improving the reliability and stability of the driving mechanism 1; preferably, in a possible embodiment of the present specification, the driving gear 12 may be selectively screwed with one end of the screw rod 13, the connection mode is simple and fast, and the detachable screwing mode is also beneficial to replacing parts during maintenance, only the driving gear 12 or the screw rod 13 needs to be replaced, and two parts do not need to be replaced, thereby reducing the maintenance cost; it should be noted that the driving gear 12 and the screw rod 13 are coaxial and are stationary relative to each other, that is, the driving gear 12 or the screw rod 13 runs simultaneously or stops simultaneously; however, the two can be fixed by riveting, screwing and other fixing methods, the invention does not limit the fixing methods, and the fixing methods which can play a reliable fixing role can be within the protection scope of the specification; in one possible embodiment of the present description, the driving gear 12 may preferably be a worm gear, which is simple in structure and highly reliable in transmission.
Specifically, as shown in fig. 2 in the specification, the driving mechanism 1 further includes a bearing 11, a second support ring 14, a nut 15 and a first support ring 5, wherein the bearing 11 is disposed at one end of the driving mechanism 1 and is located at a side of the driving gear 12 away from the push rod 16, so that the driving mechanism 1 can rotate relative to the reinforcing protection component 2; it should be noted that the arrangement of the bearing 11 is only an alternative embodiment, and is not limited to the bearing connection, the invention is not limited to this specifically, and all components capable of functioning as a rotational connection may be within the scope of the present specification; preferably, in a possible embodiment of the present description, the bearing 11 may also be replaced by a copper bush, which saves costs.
Specifically, the second support ring 14 is arranged on the screw rod 13, and in the axial direction of the screw rod 13, the second support ring 14 is also positioned between the screw nut 15 and the driving gear 12, so that a certain limiting effect can be achieved, and the situation that the screw nut 15 rotates excessively when being connected with the screw rod 13 and contacts with the driving gear 12 to cause poor rotation of the driving mechanism 1 or cause noise is prevented; meanwhile, the second support ring 14 is supported between the screw rod 13 and the reinforced protection component 2, can also play a role in supporting, and is beneficial to quickly positioning the relative position between the screw rod 13 and the reinforced protection component 2; in addition, in a possible embodiment of the present specification, when the supporting strength between the reinforcing protection component 2 and the screw rod 13 is sufficient or the positioning condition is good, the second supporting ring 14 may not be provided, so as to further improve the efficiency; the nut 15 is positioned at one end of the screw rod 13 and one end of the push rod 16, and the screw rod and the push rod are tightly connected through threaded connection, so that the fixing reliability is high; in one possible embodiment of the present disclosure, the nut 15 may be provided as an integral structure with the push rod 16, further increasing production and assembly efficiency.
Specifically, as shown in fig. 1 in the specification, a capping head 17 is further included at an end of the push rod 16 away from the motor, and the capping head 17 may be optionally integrated with the push rod 16, so that the nut 5, the push rod 16 and the capping head 17 have the following connection forms: the nut 15 is integral with the push rod 16, but the push rod 16 is not integral with the capping head 17; the push rod 16 is integral with the capping head 17, but the push rod 16 is not integral with the nut 15; and the screw nut 15 is integrated with the push rod 16, and meanwhile, the push rod 16 is integrated with the sealing head 17, namely the screw nut 15, the push rod 16 and the sealing head 17 are all of an integrated structure, so that the assembly efficiency is greatly accelerated.
Specifically, one end of the reinforced protection component 2, which is far away from the motor 4, includes a support portion 24, which may be a structure integrated with the reinforced protection component 2, belongs to a part of the reinforced protection component 2, and is located at the inner periphery of the reinforced protection component 2, that is, is equivalent to a circumferential side wall of the accommodating cavity 23, which is far away from one end of the motor 4, and the support portion 24 is internally supported on the outer surface of the push rod 16, so that accurate positioning and effective protection can be realized; in a possible embodiment of the present specification, the supporting portion 24 may also be configured as a first supporting ring 5, the first supporting ring 5 is disposed between the push rod 16 and the reinforced protection component 2, and the first supporting ring 5 is located at a side away from the driving gear 12, in order to ensure that the first supporting ring 5 can play a sufficient supporting role, the first supporting ring 5 is also located at one end of the reinforced protection component 2, so that the first supporting ring 5 is internally supported on the outer surface of the push rod 16, and the outer periphery thereof is supported on the inner surface of the reinforced protection component 2, which is beneficial to quickly positioning the relative position of the push rod 16 and the reinforced protection component 2 during assembly, thereby quickly achieving assembly; it should be noted that the relative position of the positioning push rod 16 and the reinforced protection component 2 is actually defined as a relative position in the circumferential direction, which prevents the push rod 16 from shaking relative to the reinforced protection component 2, but does not limit the movement of the push rod 16 in the axial direction; namely, the first support ring 5 and the second support ring 14 can both play a role in guiding, so that the rapid positioning during installation is facilitated, and the assembly efficiency is improved; preferably, in order to ensure the balance during assembly, the first supporting ring 5 is as far as the driving gear 12 as possible on the basis of being able to contact the reinforced protection component 2, and correspondingly, as shown in the attached fig. 1 of the specification, the length of the accommodating cavity 23 for accommodating part of the driving mechanism 1 is not less than the distance from the supporting part 24 to the bearing 11, that is, not less than the distance from the first supporting ring 5 to the bearing 11, so as to ensure that the first supporting ring 5 is always supported inside the reinforced protection component 2.
Specifically, as shown in fig. 1 of the specification, the reinforcing protection component 2 is provided with an extension end, the extension end is located at one end of the reinforcing protection component 2, which is far away from the motor 4, and the end surface of the extension end protrudes out of the end surface of one end of the screw rod 13, so that the reinforcing protection component 2 can replace the original protection component, the protection sleeve and the fixing buckle which are short in length, the driving mechanism 1, particularly the screw rod 13 and a part of the push rods 16 are better protected, the number of parts is reduced, the structural complexity is reduced, and the production efficiency is improved; the lengthened reinforced protection component 2 is matched with the first support ring 5, so that the coaxiality of all parts in the driving mechanism 1 can be effectively limited while the supporting and protecting effects are achieved, the running stability of the driving mechanism 1 is ensured, the possibility of failure is reduced, and the maintenance cost is reduced; in other embodiments, the end surface of the extending end may be flush with the end surface of the screw rod 13 according to actual requirements, and the position of the first support ring 5 may slightly lag behind the end surface of the screw rod 13, so that the material may be saved while the protection strength is sufficient.
Specifically, as shown in fig. 2, the reinforced protection assembly 2 includes a first protection shell 21 and a second protection shell 22, wherein the first protection shell 21 and the second protection shell 22 are fixedly connected, so that an inner surface of the first protection shell 21 and an inner surface of the second protection shell 22 are coated to form an accommodating cavity 23; in the embodiment, the length of the reinforced protection component 2 extends from the end of the driving mechanism 1 where the bearing 11 is arranged to the middle of the push rod 16, that is, the position where the first support ring 5 is arranged, so that the length of the reinforced protection component 2 is lengthened, and the structural strength of the reinforced protection component 2 is improved; compared with the existing mode of combined protection through an upper shell, a lower shell and an additional protective sleeve, the driving mechanism 1 can be protected only by adopting the first protective shell 21 and the second protective shell 22, meanwhile, the structural strength cannot be reduced, the structure is simpler, the number of parts is reduced, the time for producing the parts is saved, the assembly sequence of the protective sleeve does not need to be considered, the assembly process is greatly simplified, and the production and assembly efficiency is further accelerated; moreover, in a possible embodiment of the present specification, the reinforcing protection component 2 may be made of a plastic material, which further improves the light weight degree of the motor driving structure and saves cost compared with the original aluminum pipe protection sleeve; in addition, the first protective shell 21 and the second protective shell 22 are fixedly connected, and a bolt connection as shown in fig. 2 may be selected, or a firmer welding may be selected, which is not limited in this specification, and a structure capable of achieving a reliable connection may be within the scope of this specification.
Specifically, as shown in fig. 2 of the specification, the motor driving structure provided in this embodiment further includes a switch assembly 3, where the switch assembly 3 includes a fixing plate 31 and two control switches 32, where the control switches 32 are disposed on the fixing plate 31, and the whole switch assembly 3 is fixed on the second protective shell 22 through the fixing plate 31, and the control switches 32 are used for controlling the rotation of the driving mechanism 1; in addition, in another possible embodiment of the present specification, a control switch 32 may be further added for controlling the driving mechanism 1 to stop suddenly, so as to avoid the occurrence of an accident and damage the motor driving structure, and prolong the service life.
The embodiment also provides a motor driving device, which comprises a motor 4 for providing power for the driving mechanism 1 and the motor driving structure, wherein an output end of the motor 4 is provided with an output shaft 41, correspondingly, a through hole is formed in the second protective shell 22 for the output shaft 41 to pass through, so that the output shaft 41 is meshed with the driving gear 12, and the power is transmitted from the motor 4 to the driving mechanism 1; as shown in fig. 4 in the specification, when the driving gear 12 is a worm gear, the output shaft 41 can be correspondingly configured as a worm, so that the worm is well matched with the worm gear, and the stability of power transmission is high; in addition, in one possible embodiment of the present specification, the motor driving device may be applied to furniture such as a sofa, a seat, etc., for example, the push rod 16 is connected to a headrest, so that the motor 4 can drive the push rod 16 to push the headrest of the sofa or the seat when turned on; in another possible embodiment of the present description, the motor drive may also be applied to lying furniture such as an electric bed, for example, where the push rod 16 is used to push a bed back frame or a bed leg frame.
Preferably, as shown in fig. 3, the motor 4 is disposed perpendicular to the driving mechanism 1, i.e. the axial direction of the output shaft 41 and the axial direction of the screw 13 are perpendicular to each other; as shown in fig. 1, a protective cover 42 can be further disposed at one end of the motor 4 away from the driving mechanism 1, and is sleeved on the outer surface of the motor 4 to protect the motor 4, so as to avoid the occurrence of accidental wear of the motor 4 and prolong the service life of the motor 4; as shown in fig. 3-4, the motor 4 can be assembled without the protective cover 42 when it is strong enough.
According to the embodiment, the invention has the following beneficial effects:
1. the original protective sleeve and the fixing buckle which are sleeved outside the push rod are removed, the lengthened reinforced protective assembly is adopted to replace a plurality of parts such as the original protective sleeve and the original fixing buckle, the lengthened reinforced protective assembly is directly utilized to integrally cover the driving mechanism so as to protect the driving mechanism, the number of parts is reduced, the complexity of the structure of the parts is also reduced, and the production efficiency is improved; and strengthen the protection subassembly and cooperate with first support ring, when playing the support guard action, can also effectively inject the axiality of each part among the actuating mechanism.
2. The reinforcing protection component with the accommodating cavity is arranged into a longer structure, the integration level is high, the coating driving mechanism is more favorably coated, and the strength of the whole motor driving structure is improved.
3. First support ring and second support ring can effectively play the guide effect, inject the push rod and strengthen the relative position between the protection subassembly, quick location when being favorable to the installation.
While the invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention as defined by the claims.
Claims (15)
1. The motor driving structure is characterized by comprising a driving mechanism (1) and a reinforcing protection assembly (2), wherein an accommodating cavity (23) is formed in the reinforcing protection assembly (2), the driving mechanism (1) is arranged in the accommodating cavity (23), and the peripheral outline of the driving mechanism (1) is matched with the inner outline of the accommodating cavity (23);
the driving mechanism (1) comprises a screw rod (13) and a push rod (16), the screw rod (13) is used for being in driving connection with the output end of the motor (4), and the push rod (16) is connected with the screw rod (13) through internal and external threads;
the one end of strengthening protecting component (2) and keeping away from motor (4) still includes supporting part (24), supporting part (24) still are located strengthen protecting component (2) inner wall, supporting part (24) support in push rod (16) outside.
2. A motor-driven structure according to claim 1, characterized in that said support portion (24) is a first support ring (5), said first support ring (5) being arranged between said push rod (16) and said reinforcing protective assembly (2).
3. A motor drive arrangement according to claim 1, characterised in that the end of the reinforcing protective member (2) remote from the motor (4) protrudes beyond the end of the screw (13) remote from the motor (4).
4. A motor drive arrangement according to claim 1, characterised in that the drive mechanism (1) further comprises a drive gear (12) and a nut (15), the drive gear (12) being adapted to engage with the motor (4), the drive gear (12) being further coaxially connected with the screw (13), the nut (15) being adapted to connect the screw (13) with the push rod (16).
5. A motor drive arrangement according to claim 4, characterised in that the drive mechanism (1) further comprises a second support ring (14) provided on the lead screw (13), the second support ring (14) being located between the drive gear (12) and the screw nut (15).
6. A motor drive arrangement according to claim 4, characterised in that the drive mechanism (1) further comprises a bearing (11), the bearing (11) being arranged at one end of the drive mechanism (1), and the bearing (11) being located at the side of the drive gear (12) remote from the push rod (16).
7. A motor drive arrangement according to claim 6, characterised in that the length of the housing chamber (23) is not less than the distance of the support (24) from the bearing (11).
8. A motor drive arrangement according to claim 4, characterised in that the nut (15) is of one piece construction with the push rod (16).
9. A motor drive arrangement according to claim 1, characterised in that the drive mechanism (1) further comprises a capping head (17), the capping head (17) being located at an end of the push rod (16) remote from the motor (4).
10. A motor-driven structure according to claim 9, characterized in that said capping head (17) is of a unitary construction with said pusher (16).
11. The motor driving structure according to claim 1, wherein the reinforcing protection assembly (2) comprises a first protection shell (21) and a second protection shell (22), the first protection shell (21) and the second protection shell (22) are fixedly connected, and the accommodating cavity (23) is formed by coating the inner surface of the first protection shell (21) and the inner surface of the second protection shell (22).
12. A motor drive structure according to claim 1, characterized in that, the motor drive structure further comprises a switch assembly (3), the switch assembly (3) is provided with a fixing plate (31) and at least one control switch (32), the fixing plate (31) is fixedly connected with the reinforced protection assembly (2), and the control switch (32) is used for controlling the operation of the drive mechanism (1).
13. A motor drive, characterized by comprising a motor (4) and a motor drive structure according to any one of claims 1-12, the motor (4) being adapted to power the drive mechanism (1); an output shaft (41) is arranged at the output end of the motor (4), a through hole is formed in the reinforcing protection assembly (2), and the output shaft (41) penetrates through the through hole to be in driving connection with the screw rod (13).
14. A motor drive as claimed in claim 13, characterized in that the motor (4) is arranged perpendicular to the drive mechanism (1).
15. The motor driving device according to claim 13, wherein a protective cover (42) is disposed at one end of the motor (4), and the protective cover (42) is sleeved on one end of the motor (4) far away from the driving mechanism (1).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915590.0A CN113803430A (en) | 2021-08-10 | 2021-08-10 | Motor driving structure and motor driving device |
| PCT/CN2022/110501 WO2023016362A1 (en) | 2021-08-10 | 2022-08-05 | Motor driving structure and motor driving device |
| EP22855343.4A EP4369574A4 (en) | 2021-08-10 | 2022-08-05 | MOTOR DRIVE STRUCTURE AND MOTOR DRIVE DEVICE |
| US18/434,791 US20240175483A1 (en) | 2021-08-10 | 2024-02-06 | Motor Driving Structure and Motor Driving Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915590.0A CN113803430A (en) | 2021-08-10 | 2021-08-10 | Motor driving structure and motor driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113803430A true CN113803430A (en) | 2021-12-17 |
Family
ID=78942984
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915590.0A Pending CN113803430A (en) | 2021-08-10 | 2021-08-10 | Motor driving structure and motor driving device |
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| Country | Link |
|---|---|
| CN (1) | CN113803430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016362A1 (en) * | 2021-08-10 | 2023-02-16 | 锐迈科技股份有限公司 | Motor driving structure and motor driving device |
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Country or region after: China Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Ruimai Technology Co.,Ltd. Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. Country or region before: China |